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A family average by looping [with GetCategorySymbols() function ] is
time consuming.
AddToComposite() is superior for this job.
Create your family average "~Faverage" first and then call, in any
formula, the Foreign("~Faverage","C") as many times as you wish, it
will not slow down the procedure.
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "Andrew" <a.perrin@xxxx> wrote:
> Joe
> what I think you are after is
> if(Status("stocknum")==0)
> { your code }
> This will only excute "your code" for the first ticker in the
> watchlist. But if I understand what your trying to do correctly,
> you are using AddToComposite to save your average array,
> Unfortunately I don't think you can do this in one run, ie the
> AddTocomposite values are not available for the remainder of the
> portfolio trading routine, on this initial run. It is available to
> subsequent runs. You could do what you want using the the table
> functions of the Osaka plugin. Instead of writing to
> AddToComposite, save the array to a table and retrieve the array
for
> each ticker.
> Hope this is of some help
> Andrew
> --- In amibroker@xxxxxxxxxxxxxxx, "Joseph Landry" <jelandry@xxxx>
> wrote:
> > I'm using a routine that calculates a family average from a
> > watchlist by looping through the tickers in the list and develops
> > an 'average' array.
> >
> > Once done and written to a composite, I'd like to skip this
> > computation stage for the rest of the portfolio trading routine.
> > No sense cycling through this especially if you're doing a
> portfolio
> > optimization.
> >
> > In other words, I'd like to call and execute the function
> once,when
> > I first enter the main AFL routine and then skip it for the rest
> of
> > the cycles and computation that AB applies in portfolio trading
or
> > optimization, since I've got my average.
> >
> > I understood that there was an obscure test that you could apply
> to
> > test for the first pass through. Searching the web and my storage
> of
> > code routines and fragments I was not able to come up with it.
> >
> > Any help would be appreciated.
> > JOE
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